executing all the case statements after the case where first match is found. We can have a switch statement without break statements too like this Nineteen" When I execute above code I got following output Normalīreak statement causes code execution to come out of the block and execute next statements because of which switch statement will execute only one case statement and exit out of switch block without executing other case blocks.Ĭontinue statement in case of loops will cause loop to stop execution of current iteration of loop and go for next iteration of the loop(if any exists) but in case of switch statement it is considered as a loop statement but no next iterations causing exit switch statement. The same result could have been achieved withīut if "case 2" represented a fairly common case (other than "everything else"), then it would be better to declare it explicitly, not only because it saves time by not having to test EVERY other case first (in the current example, PHP finds 'case 2' in the first switch in two tests, but in the second switch it has to make four tests before giving up and going with the default) but also because someone (perhaps yourself in a few months' time) will be reading the code and expecting to see it handled.Here is a simple example code with both the switch cases mentioned above " With case 2 and the default both producing the same result ("Thingy") strictly speaking, the case 2 clause is completely empty and control just falls straight through. default: The default statement contains the code that would execute if none of the cases match. Something not mentioned in the documentation itself, and only touched on momentarily in these notes, is that the default: case need not be the last clause in the switch. break: The break statement is used to stop the automatic control flow into the next cases and exit from the switch case. In each case, the basic form of the alternate syntax is to change the opening brace to a colon (:) and the closing brace to endif, endwhile, endfor, endforeach, or endswitch, respectively. The answer to the eternal question " what is faster?": PHP offers an alternative syntax for some of its control structures namely, if, while, for, foreach, and switch. There's no need to preemptively save the result in a variable either. Without having to worry about the function being re-evaluated for every case. It instructs PHP to exit the switch statement and proceed to the next line of code after executing the. I think this fact needs a little bit more attention, so here's an example: The break statement is used to end each case. La valeur par dfaut est 1, seulement la structure emboite immdiate est. break accepte un argument numrique optionnel qui vous indiquera combien de structures embotes doivent tre interrompues. The difference between a series of if statements and the switch statement is that the expression you're comparing with, is evaluated only once in a switch statement. (PHP 4, PHP 5, PHP 7, PHP 8) L'instruction break permet de sortir d'une structure for, foreach, while, do-while ou switch. This is listed in the documentation above, but it's a bit tucked away between the paragraphs. The break statements are optional, but if you dont use them, PHP will continue to evaluate the next case and may execute some code further down the case. 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